Table 3 Main electrical parameters of Transformer.

From: Research on multi-physical field coupling modeling and multi-condition dynamic load capacity evaluation of oil-immersed transformers

Physicalpropertyparameters

Fittingvalue

Density(kg/m³)

fden(T) = 1055.7485-0.59 T

Thermal conductivity (W/m·K)

fthe(T) = 0.154432-0.00008 T

Dynamic viscosity (Pa·s)

fdyn(T) = 0.0000172-0.0052 T + 0.8302

Constant pressure heat capacity (J/kg·K)

fcap(T) = 276.44375 + 5.375 T

Conductivity (S/m)

10–11